Toolsle
A free online tools hub at toolsle.com — text utilities, converters, calculators, dev helpers, and more. No signup required.
Text Tools
View all (10)Strikethrough Text Generator
Add strikethrough styling to your text for social posts, notes, or creative copy without rich-text editors.
Cursive Text Generator
Convert plain text into Unicode script characters that resemble cursive handwriting for bios and captions.
Upside Down Text Generator
Flip your message using upside-down Unicode characters for puzzles, jokes, or eye-catching headlines.
Small Text Generator
Shrink your text with superscript and subscript Unicode styles for compact labels and social flair.
Zalgo Text Generator
Stack combining characters to create glitchy “Zalgo” text for memes and stylized horror aesthetics.
Case Converter
Switch between uppercase, lowercase, title case, and sentence case instantly for drafts and data cleanup.
Sentence Counter
Count sentences, words, and characters in pasted text to hit length targets for essays and marketing.
Text Repeater
Repeat a phrase or block of text a set number of times for testing layouts, spam jokes, or filler data.
Reverse Text Generator
Mirror the order of characters or words to decode puzzles, create palindrome ideas, or obfuscate snippets.
Pig Latin Translator
Translate English to Pig Latin and back—handy for word games, teaching phonics, or playful messaging.
Converters
View all (16)Morse Code Translator
Instantly translate text to Morse code or Morse code to text. Free, real-time, works both ways.
Wingdings Translator
Map between readable text and Wingdings-style symbol fonts for decoding legacy documents and puzzles.
Binary to Text
Convert 8-bit binary strings into ASCII or UTF-8 text for debugging, CTF challenges, or CS homework.
Text to Binary
Turn any string into its binary representation to inspect encodings or share low-level puzzles.
Hex to Decimal
Convert hexadecimal values to base-10 integers for color math, memory addresses, and networking work.
Decimal to Binary
Express whole numbers in binary form with configurable bit width for teaching and bitwise practice.
Hex to Binary
Translate hex nibbles into binary strings to align with datasheets, masks, and digital logic courses.
Number to Words
Spell out integers and decimals in English for checks, legal wording, invoices, and accessibility.
Celsius to Fahrenheit Converter
Instantly convert Celsius to Fahrenheit or Fahrenheit to Celsius. Free, real-time temperature converter.
Fahrenheit to Celsius
Convert °F to °C quickly when reading US forecasts, oven dials, or legacy equipment manuals.
Miles to Kilometers
Switch between imperial and metric distance for running splits, road trips, and mapping estimates.
Feet to Meters
Convert length measurements for construction, sports field dimensions, and international specs.
Kilograms to Pounds
Translate mass between metric and US customary units for shipping, fitness, and nutrition labels.
MPH to KPH
Convert vehicle speeds and wind reports between miles per hour and kilometers per hour.
Minutes to Hours
Turn minutes into decimal or clock-style hours for payroll, billing, and study session logs.
Seconds to Minutes
Convert durations between seconds and minutes (and hours) for media timing and workout intervals.
Calculators
View all (16)Tip Calculator
Calculate how much to tip and split the bill between any number of people. Free and instant.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Find out what day you were born on.
GPA Calculator
Weight courses by credit hours and grade points to project semester and cumulative GPA outcomes.
Average Calculator
Find the arithmetic mean of any list of numbers with optional trimming for grades and datasets.
Median Calculator
Sort values and compute the median—even for even-length sets—for statistics and reporting.
Square Root Calculator
Evaluate √x, including perfect squares and irrationals, for geometry, signal processing, and homework.
Scientific Notation Calculator
Normalize very large or small numbers to a × 10ⁿ form for chemistry, physics, and engineering.
Percent Error Calculator
Compare experimental vs theoretical values to quantify accuracy in labs and calibration tasks.
Proportion Calculator
Solve for unknowns in ratios (a/b = c/d) for recipes, scaling blueprints, and similar triangles.
Velocity Calculator
Relate displacement, time, and constant velocity—or derive average speed—from trip segments.
Significant Figures Calculator
Round results to the correct count of sig figs after multiply/divide or add/subtract operations.
Discount Calculator
Find sale price from list price and percent off, or infer the discount rate from before/after.
Markup Calculator
Compute selling price, cost, or markup percentage for retail pricing and margin planning.
Overtime Calculator
Estimate gross pay with regular and overtime hourly rates based on hours worked in a week.
Sales Tax Calculator
Add or remove tax from totals when rates differ by city, county, or special district.
Syllable Counter
Estimate syllables per word or line for poetry, readability scoring, and speech pacing.
Dev Tools
View all (5)UUID Generator
Create RFC-compliant UUID v4 strings for databases, APIs, and client-side temporary identifiers.
Robots.txt Generator
Build a robots.txt with allow/disallow rules, crawl delays, and sitemap hints for SEO control.
Meta Tag Generator
Assemble Open Graph, Twitter Card, and classic meta tags for previews and search snippets.
Random Letter Generator
Draw random letters with optional alphabet filters for games, sampling, and test fixtures.
Number Sorter
Paste a list of numbers and sort ascending or descending—useful for datasets and quick QA.